S.M.S. Samaraweera, P.K. Perera, K.K.D.S.Ranaweera.Product development and standardization of immune enhancing tablets made from crude powder of Emblicaofficinalis, TinosporacordifoliaandTerminaliachebula(NRA). 2nd International Conference on Ayurveda, Unani, Siddha and Traditional Medicine and Ayu Expo -2014, Institute of Indigenous Medicine, University of Colombo, Rajagiriya, Sri Lanka, December, 16-18, 2014 (http://iim.cmb.ac.lk/icaust2014/)